Related by context. Frequent words. (Click for all words.) 56 astrocyte 55 myelination 54 mammalian brain 54 dopaminergic neurons 54 photoreceptor 54 embryogenesis 54 rhodopsin 54 mutant mice 54 phenotype 53 heterochromatin 53 organelle 53 collagen fibers 53 demyelination 53 knockout mice 53 morphologically 53 dentate gyrus 53 mutant protein 53 senescence 53 eukaryotic cells 53 melanocytes 53 lymphoid 53 Wnt signaling 53 genetically altered mice 52 tau protein 52 adipocytes 52 epithelial cell 52 enzymatic activity 52 reactive oxygen species 52 NKT cells 52 fibroblast 52 mesenchymal 52 neuronal cell 52 oligodendrocytes 52 progenitor cell 52 necrotic 52 pigmentation 51 PrP 51 motor neuron 51 keratinocytes 51 stem cell differentiation 51 retinal cells 51 zebra fish 51 hyperplasia 51 tumor suppressor gene 51 neurones 51 photoreceptor cells 51 B lymphocytes 51 sebaceous glands 51 iPSCs 51 nerve cells 51 ES cells 51 Oxidative stress 51 prostate tissue 51 gene expression patterns 51 mice 51 neural stem cell 51 cytoplasmic 51 meiosis 51 dendritic spines 50 germ cells 50 pluripotency 50 chondrocytes 50 telomere 50 hepatocyte 50 cyclin D1 50 p# gene 50 p# protein 50 testes 50 hematopoietic 50 genetic alterations 50 tissue 50 melanoma tumors 50 superoxide 50 E cadherin 50 myocardium 50 biochemically 50 telomerase activity 50 lymphocytes 50 estrogen hormone 50 tumorigenesis 50 evolutionary adaptation 50 oocyte 50 neurofibrillary tangles 50 glycosylation 50 germline 50 myoblasts 50 stromal cells 50 resorption 50 neurogenesis 50 follicle 50 axonal 50 HSCs 50 retinoic acid 50 TGF beta 49 chloroplasts 49 follicles 49 T lymphocytes 49 mouse embryo 49 collagen 49 multicellular organisms 49 insulin receptors